Hello,

I have a task that is very time critical.  I used the xenomai/bin/latency
program to get an idea of my worst case latency; its about 30 us.  Is there
a facility in POSIX or the POSIX skin, that will allow me to account for
this worst case latency? Does clock_nanosleep() provides this?  Essentially
I'd like to wake up 30 us before the deadline and turn off interrupts, and
do a spin lock until the deadline is reached.

-Rob
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